Nature's Own St John's Wort can assist in the relief of the symptoms of stress, mild anxiety and nervous tension. Nature's Own St John's Wort uses a concentrated extract of Hypericum perforatum that is based on the dosage used in clinical trials. Benefits helps relieve nervous tension helps relieve stress and mild anxiety relief of insomnia Directions for Use Recommended adult dosage 1 tablet once a day with food or as advised by your healthcare professional. Medical Caution St John's wort affects the way many prescription medications work, including the oral contraceptive pill. Consult your doctor. If symptoms persist consult your healthcare professional. Ingredients St Johns wort(Hypericum perforatum) extract equiv. to dry herb(2.7g) 2700mg standardised to contain hypericin derivatives calculated as hypericin 1.37mg. Contains sodium sulfite.